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map_test.go
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map_test.go
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package orderedmap_test
import (
"encoding/json"
"errors"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/kazamori/orderedmap"
)
func TestOrderedMap(t *testing.T) {
tests := []struct {
name string
pairs []orderedmap.Pair[string, any]
expected string
}{
{
name: "simple",
pairs: []orderedmap.Pair[string, any]{
{"s", "test"},
{"i2", 5},
{"s", "test2"},
{"f", 3.14},
{"i", 3},
{"s", "test3"},
{"b2", false},
{"i3", 1},
{"i", 13},
{"b1", true},
},
expected: `{"s":"test3","i2":5,"f":3.14,"i":13,"b2":false,"i3":1,"b1":true}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
m := orderedmap.New[string, any]()
for _, p := range tt.pairs {
m.Set(p.Key, p.Value)
}
actual := m.String()
if diff := cmp.Diff(tt.expected, actual); diff != "" {
t.Error(diff)
return
}
})
}
}
func TestFromMap(t *testing.T) {
tests := []struct {
name string
m map[string]any
expected string
}{
{
name: "an int value in a map",
m: map[string]any{
"key": 1,
},
expected: `{"key":1}`,
},
{
name: "complex data in an array in a map",
m: map[string]any{
"a": []map[string]any{
{
"k1": "test",
},
{
"k2": 3.14,
},
{
"k3": map[string]any{
"k3-1": 33,
},
},
},
},
expected: `{"a":[{"k1":"test"},{"k2":3.14},{"k3":{"k3-1":33}}]}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
om := orderedmap.NewFromMap(tt.m)
actual := om.String()
if diff := cmp.Diff(tt.expected, actual); diff != "" {
t.Error(diff)
return
}
})
}
}
func TestToMap(t *testing.T) {
nested1 := orderedmap.New[string, any]()
nested1.Set("f", 3.14)
nested1.Set("s", "nested")
nested1.Set("b", true)
nested2 := orderedmap.New[string, any]()
nested2.Set("f2", 3.14)
nested2.Set("s2", "nested")
nested2.Set("b2", true)
nested2.Set("a2", []string{"v1", "v2", "v3"})
tests := []struct {
name string
om *orderedmap.OrderedMap[string, any]
expected map[string]any
}{
{
name: "simple",
om: func() *orderedmap.OrderedMap[string, any] {
om := orderedmap.New[string, any]()
om.Set("key1", 1)
om.Set("key2", 2)
om.Set("key3", 3)
om.Set("a1", []string{"v1", "v2", "v3"})
om.Set("a2", []orderedmap.OrderedMap[string, any]{
*nested2,
*nested1,
})
return om
}(),
expected: map[string]any{
"a1": []string{"v1", "v2", "v3"},
"a2": []orderedmap.OrderedMap[string, any]{
*nested2,
*nested1,
},
"key3": 3,
"key2": 2,
"key1": 1,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
actual := orderedmap.ToMap[map[string]any](tt.om)
opts := []cmp.Option{
cmp.AllowUnexported(orderedmap.OrderedMap[string, any]{}),
}
if diff := cmp.Diff(tt.expected, actual, opts...); diff != "" {
t.Error(diff)
return
}
})
}
}
func TestUnmarhalAndMarshalJSON(t *testing.T) {
tests := []struct {
name string
json string
}{
{
name: "primitive only",
json: `{"s":"test","i":3,"n":9007199254740992,"f":3.14,"b":true}`,
},
{
name: "simple array",
json: `{"a":["test",3,9007199254740992,3.14,true]}`,
},
{
name: "multiple nested array",
json: `{"a":[["test",3],[9007199254740992,3.14,true,["nested",5]]]}`,
},
{
name: "simple object",
json: `{"m":{"s":"test","i":7}}`,
},
{
name: "nested object",
json: `{"m":{"s":"test","i":7,"m2":{"f":3.14,"b":true,"m":{"i":19}}}}`,
},
{
name: "maps in array",
json: `{"a":[{"s":"test","i":7},{"s2":"test2","f":3.14},{"b":true}]}`,
},
{
name: "complex json data including arrays and objects",
json: `{"m":{"s":"test","a":[["test",3],[9007199254740992,3.14,true,["nested",5]]],"i":7,"m2":{"f":3.14,"a":[{"s":"test","i":7},{"s2":"test2","f":3.14},{"b":true}],"b":true,"m":{"a":["test",3,9007199254740992,3.14,true],"i":19}}}}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
var m orderedmap.OrderedMap[string, any]
if err := json.Unmarshal(json.RawMessage(tt.json), &m); err != nil {
t.Error(err)
return
}
actual := m.String()
if diff := cmp.Diff(tt.json, actual); diff != "" {
t.Error(diff)
return
}
})
}
}
func TestUnmarhalAndMarshalJSONForSlice(t *testing.T) {
tests := []struct {
name string
json string
}{
{
name: "empty array",
json: `{"a1":[]}`,
},
{
name: "strings array",
json: `{"a1":["t1","t3","t2"]}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
var m orderedmap.OrderedMap[string, []string]
if err := json.Unmarshal(json.RawMessage(tt.json), &m); err != nil {
t.Error(err)
return
}
actual := m.String()
if diff := cmp.Diff(tt.json, actual); diff != "" {
t.Error(diff)
return
}
})
}
}
func TestErrorUnmarhalAndMarshalJSON(t *testing.T) {
tests := []struct {
name string
json string
expected error
}{
{
name: "simple array",
json: `["test",3,9007199254740992,3.14,true]`,
expected: errors.New("expects JSON object, but not: ["),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
var m orderedmap.OrderedMap[string, any]
err := json.Unmarshal(json.RawMessage(tt.json), &m)
if err == nil {
t.Error("expects an error occurred, but no error")
}
if diff := cmp.Diff(tt.expected.Error(), err.Error()); diff != "" {
t.Error(diff)
return
}
})
}
}